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Enhanced Efficiency of Flexible GaN/Perovskite Solar Cells Based on the Piezo-Phototronic Effect

Yuru Wang, Dongqi Zheng, Lijie Li Orcid Logo, Yan Zhang

ACS Applied Energy Materials, Volume: 1, Issue: 7, Pages: 3063 - 3069

Swansea University Author: Lijie Li Orcid Logo

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DOI (Published version): 10.1021/acsaem.8b00713

Abstract

Solar cells fabricated by piezoelectric semiconductor materials, such as GaN, AlN, and CdS, enable better performance due to piezo-phototronic modulation. Recent experiments have revealed the possibility to further improve the energy conversion efficiency of perovskite solar cells with a gallium nit...

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Published in: ACS Applied Energy Materials
ISSN: 2574-0962 2574-0962
Published: 2018
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URI: https://cronfa.swan.ac.uk/Record/cronfa40987
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Abstract: Solar cells fabricated by piezoelectric semiconductor materials, such as GaN, AlN, and CdS, enable better performance due to piezo-phototronic modulation. Recent experiments have revealed the possibility to further improve the energy conversion efficiency of perovskite solar cells with a gallium nitride (GaN) substrate as the electron transport layer. In this study, a perovskite piezo-phototronic solar cell with a GaN layer has been investigated theoretically. The open-circuit voltage, current–voltage curves, fill factor, efficiency of power conversion, and power of maximum output under applied strains are obtained. While the applied strain is 1%, the open-circuit voltage has been improved by 3.8%. This design can offer a practical approach to produce high-efficiency perovskite solar cells.
Keywords: GaN; perovskite solar cell; piezo-phototronic; piezotronic; solar cells
College: Faculty of Science and Engineering
Issue: 7
Start Page: 3063
End Page: 3069

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